设置冲蚀效果可以带上亮度对比度

Author: lindexi

src/MediaConverters/MediaConverters.Lib/Imaging/Effects/BitmapEffectExtension.cs

@@ -180,10 +180,12 @@ public static void SetGrayScaleEffect(this Image<Rgba32> bitmap)
     ///     设置冲蚀效果。
     /// </summary>
     /// <param name="bitmap">图片</param>
-    public static void SetLuminanceEffect(this Image<Rgba32> bitmap)
+    /// <param name="contrast">对比度</param>
+    /// <param name="brightness">亮度</param>
+    public static void SetLuminanceEffect(this Image<Rgba32> bitmap, float contrast = 0.2f, float brightness = 1.9f)
     {
-        bitmap.SetContrast(0.2f);
-        bitmap.SetBrightness(1.9f);
+        bitmap.SetContrast(contrast);
+        bitmap.SetBrightness(brightness);
     }
 
     /// <summary>

src/MediaConverters/MediaConverters.Tool/Contexts/SetLuminanceEffectTask.cs

@@ -5,5 +5,13 @@
 /// </summary>
 public class SetLuminanceEffectTask : IImageConvertTask
 {
+    /// <summary>
+    ///     亮度
+    /// </summary>
+    public float? Brightness { get; set; }
 
+    /// <summary>
+    ///     对比度
+    /// </summary>
+    public float? Contrast { get; set; }
 }

src/MediaConverters/MediaConverters.Tool/Workers/SetLuminanceEffectWorker.cs

@@ -1,5 +1,6 @@
 using DotNetCampus.MediaConverters.Contexts;
 using DotNetCampus.MediaConverters.Imaging.Effects;
+
 using SixLabors.ImageSharp;
 using SixLabors.ImageSharp.PixelFormats;
 
@@ -9,7 +10,9 @@ internal class SetLuminanceEffectWorker : WorkerBase<SetLuminanceEffectTask>
 {
     protected override void RunCore(Image<Rgba32> image, SetLuminanceEffectTask task)
     {
-        _ = task;
-        image.SetLuminanceEffect();
+        float contrast = task.Contrast ?? 0.2f;
+        float brightness = task.Brightness ?? 1.9f;
+
+        image.SetLuminanceEffect(contrast, brightness);
     }
 }